Our resin epoxy molds measurement including a top diameter of 4.5 inches, bottom diameter of 5.1 inches, and a height of 3.1 inches, inner support diameter 1.2inch (It is advised to use paper towels with a diameter under 4.5 inches). Requires approx 12.6oz resin, epoxy resin silicone molds engraving requiared resin, saving you the hassle of repeated mixing or resin waste.